13221012003 has 8 divisors (see below), whose sum is σ = 18555806400. Its totient is φ = 8350112808.

The previous prime is 13221012001. The next prime is 13221012023. The reversal of 13221012003 is 30021012231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13221012003 - 2¹ = 13221012001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13221012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115973733 + ... + 115973846.

It is an arithmetic number, because the mean of its divisors is an integer number (2319475800).

Almost surely, 2^13221012003 is an apocalyptic number.

13221012003 is a deficient number, since it is larger than the sum of its proper divisors (5334794397).

13221012003 is a wasteful number, since it uses less digits than its factorization.

13221012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231947601.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13221012003 its reverse (30021012231), we get a palindrome (43242024234).

The spelling of 13221012003 in words is "thirteen billion, two hundred twenty-one million, twelve thousand, three".